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CVE-2013-6442

20
FAUCET Score

CVE-2013-6442 describes a vulnerability in the smbcacls utility within Samba versions 4.0.x before 4.0.16 and 4.1.x before 4.1.6. Specifically, the owner_set function inadvertently removes an Access Control List (ACL) when the --chown or --chgrp options are used. This flaw has a CVSS score of 5.8, indicating a medium severity, as it allows remote attackers to bypass intended access restrictions under specific administrative change scenarios. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
4.1.0CPE matchmatch criteria
cpe:2.3:a:samba:samba:4.1.0:*:*:*:*:*:*:*
4.1.1CPE matchmatch criteria
cpe:2.3:a:samba:samba:4.1.1:*:*:*:*:*:*:*
4.1.2CPE matchmatch criteria
cpe:2.3:a:samba:samba:4.1.2:*:*:*:*:*:*:*
4.1.3CPE matchmatch criteria
cpe:2.3:a:samba:samba:4.1.3:*:*:*:*:*:*:*
4.1.4CPE matchmatch criteria
cpe:2.3:a:samba:samba:4.1.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.8MEDIUM

AV:N/AC:M/Au:N/C:P/I:P/A:N

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
4.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
4.10%
Probability of exploitation in next 30 days
EPSS Percentile
89.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0410 is in the 86th percentile among its peer group of 19,958 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: samba4-0:4.0.0-61.el6_5.rc4
View patch

Vendor Advisories (1)

redhatCVE-2013-6442Moderate

samba: smbcacls will delete ACL lists in certain circumstances

Mar 12, 2014

References

lists.fedoraproject.org / pipermail/package-announce/2014-August/136864.html
lists.fedoraproject.org / pipermail/package-announce/2014-June/134717.html
lists.opensuse.org / opensuse-updates/2014-03/msg00062.html
bugzilla.samba.org / show_bug.cgi
samba.org / samba/history/samba-4.0.16.html
samba.org / samba/history/samba-4.1.6.html
samba.org / samba/security/CVE-2013-6442
securityfocus.com / bid/66232